Home / 1,279,457.93-1,765,954.81-735,907.78

Finding the Fourth Proportional to 1,279,457.93, 1,765,954.81 and 735,907.78

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Solution

The fourth proportional to 1,279,457.93, 1,765,954.81 and 735,907.78 is: 1,015,726.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,457.93 : 1,765,954.81 = 735,907.78 : x
  2. Step 2: Convert to fraction form
    1,279,457.93/1,765,954.81 = 735,907.78/x
  3. Step 3: Cross multiply
    1,279,457.93x = 1,765,954.81 × 735,907.78
  4. Step 4: Simplify right side
    1,279,457.93x = 1,299,579,886,934.75
  5. Step 5: Solve for x
    x = 1,299,579,886,934.75/1,279,457.93
  6. Step 6: Final answer
    x = 1,015,726.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.